Home / 356,377.12-491,800.41-213,137.16

Finding the Fourth Proportional to 356,377.12, 491,800.41 and 213,137.16

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Solution

The fourth proportional to 356,377.12, 491,800.41 and 213,137.16 is: 294,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,377.12 : 491,800.41 = 213,137.16 : x
  2. Step 2: Convert to fraction form
    356,377.12/491,800.41 = 213,137.16/x
  3. Step 3: Cross multiply
    356,377.12x = 491,800.41 × 213,137.16
  4. Step 4: Simplify right side
    356,377.12x = 104,820,940,829.98
  5. Step 5: Solve for x
    x = 104,820,940,829.98/356,377.12
  6. Step 6: Final answer
    x = 294,129.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.